<html>
<head>
<script src="https://unpkg.com/vue"></script>
</head>
<body>
<div id="app1">
  <ul id="example-1">
  <li v-for="item in items">
    {{ item.message }}
  </li>
    <li v-for="(item, index) in items">
    {{ parentMessage }} - {{ index }} - {{ item.message }}
  </li>
</ul>
</div>
<script>
var app = new Vue({
  el: '#app1',
  data: {
       items: [
      { message: 'Foo' },
      { message: 'Bar' }
    ],
	 parentMessage: 'Parent'
  }
});
</script>
</body>